A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5985-01-414-8219
NSN 6685-01-551-4327
NSN 6110-00-064-7005
NSN 6220-01-597-2599
NSN 5975-01-178-7499
NSN 6610-01-141-7014
NSN 6105-00-391-7634
NSN 5920-00-027-0830
NSN 5996-01-453-0752
NSN 5999-00-613-4000
NSN 5930-00-188-2175
NSN 5895-01-555-0424